a:5:{i:0;s:7:"type_id";i:1;s:5:"gc_id";i:2;s:9:"type_name";s:3:"_pk";s:7:"type_id";s:5:"_type";a:3:{s:7:"type_id";s:16:"int(10) unsigned";s:5:"gc_id";s:7:"int(10)";s:9:"type_name";s:8:"char(20)";}}